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2148093 = 3379559
BaseRepresentation
bin1000001100011011111101
311001010122000
420030123331
51022214333
6114012513
724154443
oct10143375
94033560
102148093
111237992
12877139
135a297c
143dcb93
152c6713
hex20c6fd

2148093 has 8 divisors (see below), whose sum is σ = 3182400. Its totient is φ = 1432044.

The previous prime is 2148073. The next prime is 2148127. The reversal of 2148093 is 3908412.

It is a de Polignac number, because none of the positive numbers 2k-2148093 is a prime.

It is a super-2 number, since 2×21480932 = 9228607073298, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 79559 = 2148093 / (2 + 1 + 4 + 8 + 0 + 9 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39753 + ... + 39806.

It is an arithmetic number, because the mean of its divisors is an integer number (397800).

22148093 is an apocalyptic number.

It is an amenable number.

2148093 is a deficient number, since it is larger than the sum of its proper divisors (1034307).

2148093 is an equidigital number, since it uses as much as digits as its factorization.

2148093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79568 (or 79562 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2148093 is about 1465.6374039987. The cubic root of 2148093 is about 129.0281171810.

The spelling of 2148093 in words is "two million, one hundred forty-eight thousand, ninety-three".

Divisors: 1 3 9 27 79559 238677 716031 2148093